A cylindrical lithium battery high adaptability sealing device and use method

Abstract

The present invention relates to the technical field of lithium battery production, and specifically to a highly adaptable sealing device for cylindrical lithium batteries, comprising a frame, on which extrusion stations, unloading stations and loading stations are equidistantly arranged in a circular array, and a circular guide rail is fixedly installed on the top of the frame. The sealing device proposed by the present invention can divide the three processes of loading, extrusion sealing and unloading into three different stations, so that the operator only needs to complete the loading operation of the internal adjustment sleeve of the battery workpiece during the work process, thereby greatly reducing the difficulty of the operator's operation, and the device can adapt to different types of internal adjustment sleeves of battery workpieces by simply replacing the internal adjustment sleeve and the extrusion disk, thereby solving the problems of the existing lithium battery sealing device being difficult to operate, poor adaptability, and prone to operating accidents, which can reduce the difficulty of using the equipment and improve the equipment operation reliability and work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery production, and in particular to a highly adaptable sealing device for a cylindrical lithium battery and a use method thereof. Background Art

[0002] Cylindrical lithium batteries are the most common form of lithium batteries. Common models include 18650, 21700, etc. These cylindrical lithium batteries are widely used in electric vehicles, multi-rotor aircraft and other fields that require lithium battery power.

[0003] Existing cylindrical lithium batteries need to be sealed with extrusion sealing equipment after production. During the sealing process, the existing sealing equipment requires the user to complete the loading, clamping, unclamping and unloading of the battery workpiece, and also requires the operator to manually control the clamping force during the clamping process and the extrusion pressure during the extrusion sealing process according to the size of different types of lithium batteries. Therefore, the operation is cumbersome and difficult, and the adaptability to different types of lithium batteries is poor, which is prone to various accidents during the production process.

[0004] Therefore, we need a highly adaptable sealing device for cylindrical lithium batteries and a method of use to solve the problems of existing cylindrical lithium battery sealing devices, such as difficulty in operation, poor adaptability, and proneness to operational accidents. This can effectively reduce the difficulty of using the equipment and improve the equipment's operational reliability and work efficiency. Summary of the invention

[0005] The purpose of the present invention is to solve the problems of existing cylindrical lithium battery sealing devices that are difficult to operate, have poor adaptability, and are prone to operating accidents. The present application provides a cylindrical lithium battery high-adaptability sealing device and a method of use, which can effectively reduce the difficulty of using the equipment and improve the equipment's operating reliability and work efficiency.

[0006] To achieve the above object, the present invention provides the following technical solution: a cylindrical lithium battery high adaptability sealing device, comprising:

[0007] A frame, on which extrusion stations, unloading stations and loading stations are equidistantly arranged in a circular array, and a circular guide rail is fixedly installed on the top of the frame, an extrusion push rod is fixedly installed on the extrusion station, and an extrusion disk for sealing the battery workpiece is fixedly installed at the output end of the extrusion push rod;

[0008] A turntable is rotatably mounted on the annular guide rail, and a station adjustment motor for driving the turntable to rotate is fixedly mounted on the frame. The turntable is fixedly mounted with clamping actuators at positions corresponding to the extrusion station, the unloading station, and the loading station, and the clamping actuator clamps the battery workpiece through an internal adjustment sleeve. The clamping actuator adjusts the clamping force of the battery workpiece through the driving of the clamping drive device;

[0009] A lifting push rod, wherein the lifting push rod is fixed on the unloading station, and the output end of the lifting push rod lifts the battery workpiece into the overturning unloading device through the lifting rod and unloads the battery workpiece into an external collection device through the overturning unloading device;

[0010] The controller is fixedly mounted on the frame and is electrically connected to the extrusion push rod, the station adjustment motor and the jacking push rod respectively.

[0011] Preferably, the flipping and unloading device includes a flipping motor installed on a frame, the output end of the flipping motor drives a positioning sleeve corresponding to the top of the battery workpiece, a guide slide rod is fixedly installed on the positioning sleeve, and a supporting slide block for supporting the battery workpiece is slidably installed on the guide slide block, the supporting slide block and the positioning sleeve are connected by an extrusion spring, and the bottom of the supporting slide block is provided with a docking inclined surface for facilitating the battery workpiece to push the supporting slide block to the side, a second pressure sensor for detecting whether the battery workpiece is in place is fixedly installed on the supporting slide block, and the second pressure sensor is electrically connected to the controller.

[0012] Preferably, a height adjustment device for adjusting the installation height of the flipping and unloading device is fixedly installed on the frame, and the height adjustment device includes an adjusting sleeve fixed on the unloading station, a lifting rod fixedly installed on the bottom of the flipping motor is slidably installed in the adjusting sleeve, and the lifting rod and the adjusting sleeve are squeezed and fixed by a height adjustment knob.

[0013] Preferably, a first pressure sensor for detecting the extrusion force between the extrusion plate and the battery workpiece is fixedly mounted on the bottom of the extrusion plate, and the first pressure sensor is electrically connected to the controller.

[0014] Preferably, the clamping actuator comprises a connecting seat fixedly mounted on the turntable, and a motion guide rail is fixedly mounted on the connecting seat, and a pair of clamping blocks for clamping and fixing the battery workpiece are slidably mounted on the motion guide rail.

[0015] Preferably, a connecting screw is fixedly mounted on the internal adjustment sleeve, and the connecting screw is fixedly mounted on the clamping block via a nut.

[0016] Preferably, the clamping drive device includes a worm and a driving screw rotatably mounted with a connecting seat, and a worm wheel meshing with the worm is fixedly mounted on the driving screw, a top mating gear and a bottom mating gear are fixedly mounted on the upper and lower ends of the worm, respectively, and the driving screw drives the clamping block to move along the moving guide rail through a pushing rod threadedly connected to the driving screw, a second rack meshing with the top mating gear and used to drive the driving screw to move is fixedly mounted on the frame, and a first rack meshing with the bottom mating gear and used to drive the driving screw to move is fixedly mounted on the frame.

[0017] Preferably, the push rod is connected to the connecting seat via a spacing adjustment screw, the spacing adjustment screw is rotatably mounted on the connecting seat, and the push rod and the spacing adjustment screw are connected via a threaded connection.

[0018] Preferably, a guide slide rod is fixedly mounted on the connecting seat, and the push rod is slidably mounted on the guide slide rod through a non-circular cross-section through hole.

[0019] A method for using a cylindrical lithium battery high-adaptability sealing device comprises the following steps:

[0020] Step 1: The operator first installs the corresponding type of internal adjustment sleeve and extrusion disc on the sealing device according to the size and model of the battery workpiece to be processed, and then the operator uses the controller to pneumatically operate the program. Then the operator places the battery workpiece in the internal adjustment sleeve located above the loading station within the specified waiting time. After the specified waiting time is over, the controller drives the turntable to rotate through the station adjustment motor, thereby rotating the clamping actuator originally corresponding to the loading station to correspond to the extrusion station. Then the controller enters the specified waiting time again, and the operator continues to repeat placing the battery workpiece in the internal adjustment sleeve located above the loading station within the specified waiting time;

[0021] Step 2: When the battery workpiece is sent from the loading station to the extrusion station, it will be clamped by the clamping actuator under the drive of the clamping drive device, and then squeezed and sealed by the extrusion disk driven by the extrusion push rod at the extrusion station. After the sealing is completed, the extrusion disk returns to the non-working position. Then, the specified waiting time ends, and the sealed battery workpiece will be driven by the turntable from the top of the extrusion station to the unloading station;

[0022] Step 3: During the time when the battery workpiece is transferred from the extrusion station to the unloading station, the clamping drive device will drive the clamping actuator to loosen the clamping of the battery workpiece. When the battery workpiece is sent to the unloading station, within the specified waiting time, the lifting push rod will drive the lifting rod to push the battery workpiece upward to the flip unloading device, and then the battery workpiece will be sent to the external collection equipment through the flip unloading device.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The invention proposes a highly adaptable sealing device for cylindrical lithium batteries, which can divide the three processes of loading, extrusion sealing and unloading into three different workstations, and enables the operator to only complete the loading operation of the internal adjustment sleeve of the battery workpiece during the work process, without the need to clamp, loosen and unload the workpiece, thereby greatly reducing the operating difficulty of the operator, and enables the operator to stay away from various dangerous equipment in the extrusion operation process and the unloading process, thereby ensuring the operating safety of the operator, and the device can adapt to different types of internal adjustment sleeves of battery workpieces by simply replacing the internal adjustment sleeve and the internal adjustment sleeve of the extrusion plate, and has higher adaptability and is more convenient, thereby solving the problems of the existing cylindrical lithium battery sealing device being difficult to operate, poor adaptability and prone to operating accidents, and can effectively reduce the difficulty of using the equipment, and improve the operating reliability and work efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a side view of the structure of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the frame of the present invention;

[0028] Figure 4 It is a structural schematic diagram of the turntable of the present invention;

[0029] Figure 5 It is a cross-sectional view of the installation of the turntable and the frame of the present invention;

[0030] Figure 6 It is a schematic diagram of the installation of the frame and the clamping drive device of the present invention;

[0031] Figure 7 It is a schematic diagram of the installation of the clamping actuator and the clamping drive device of the present invention;

[0032] Figure 8 It is a structural schematic diagram of the clamping actuator of the present invention;

[0033] Fig. 9 It is a schematic diagram of the installation of the height adjustment device and the overturning unloading device of the present invention.

[0034] In the figure: 1, frame; 2, height adjustment device; 201, lifting rod; 202, height adjustment knob; 203, adjustment sleeve; 3, flip unloading device; 301, positioning sleeve; 302, second pressure sensor; 303, extrusion spring; 304, guide slide bar; 305, support slide block; 306, docking slope; 307, flip motor; 4, clamping actuator; 401, motion guide rail; 402, clamping block; 403, connecting seat; 5, clamping drive device; 501, top matching gear; 502, worm; 50 3. Worm gear; 504. Bottom matching gear; 505. Driving screw; 506. Push rod; 6. Battery workpiece; 7. Lifting push rod; 8. Extrusion station; 9. Loading station; 10. Internal adjustment sleeve; 11. Connecting screw; 12. Guide slide bar; 13. Spacing adjustment screw; 14. Unloading station; 15. First pressure sensor; 16. Second rack; 17. First rack; 18. Controller; 19. Annular guide rail; 20. Station adjustment motor; 21. Turntable; 22. Lifting rod; 23. Extrusion disk; 24. Extrusion push rod. DETAILED DESCRIPTION

[0035] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0039] For example, see Figures 1 to 9 The present invention provides a technical solution: a cylindrical lithium battery high adaptability sealing device, comprising:

[0040] Rack 1, see Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 , the frame 1 is equidistantly provided with an extrusion station 8, a discharge station 14 and a loading station 9 in a circular array, the extrusion station 8 is used to perform extrusion sealing operations on the battery workpiece 6, the discharge station 14 is used to remove the battery workpiece 6 from the internal adjustment sleeve 10, and the loading station 9 is used to install the battery workpiece 6 into the internal adjustment sleeve 10, and a circular guide rail 19 is fixedly installed on the top of the frame 1, an extrusion push rod 24 is fixedly installed on the extrusion station 8, and an extrusion disk 23 for sealing the battery workpiece 6 is fixedly installed at the output end of the extrusion push rod 24, and the extrusion disk 23 can be replaced according to the size of the battery workpiece 6 to be processed;

[0041] Turntable 21, see Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6A turntable 21 is rotatably mounted on the annular guide rail 19, and a station adjustment motor 20 for driving the turntable 21 to rotate is fixedly mounted on the frame 1. The turntable 21 is fixedly mounted with clamping actuators 4 at positions corresponding to the extrusion station 8, the unloading station 14 and the loading station 9, respectively. The clamping actuator 4 clamps the battery workpiece 6 through an internal adjustment sleeve 10. The clamping actuator 4 adjusts the clamping force of the battery workpiece 6 through the driving of the clamping drive device 5. The station adjustment motor 20 is used to adjust the station corresponding to the battery workpiece 6 installed in the clamping actuator 4, so as to perform continuous operation according to the change of the station sequence. The clamping actuator 4 includes a connecting seat 403 fixedly mounted on the turntable 21, and a connecting seat 403 is fixedly mounted on the connecting seat 403. A moving guide rail 401 is provided, on which a pair of clamping blocks 402 for clamping and fixing the battery workpiece 6 are slidably installed, a connecting screw 11 is fixedly installed on the internal adjustment sleeve 10, and the connecting screw 11 is fixedly installed with the clamping block 402 through a nut, the clamping drive device 5 includes a worm 502 and a driving screw 505 rotatably installed with the connecting seat 403, and a worm wheel 503 meshing with the worm 502 is fixedly installed on the driving screw 505, and the top matching gear 501 and the bottom matching gear 504 are fixedly installed at the upper and lower ends of the worm 502, respectively, and the driving screw 505 drives the clamping block 402 to move along the moving guide rail 401 through a pushing rod 506 threadedly connected to the driving screw 505, and the frame 1 is pressed at the corresponding position. A second rack 16 meshing with the top matching gear 501 and used to drive the driving screw 505 to move is fixedly installed between the pressing station 8 and the unloading station 14, and a first rack 17 meshing with the bottom matching gear 504 and used to drive the driving screw 505 to move is fixedly installed on the frame 1 between the corresponding loading station 9 and the extrusion station 8. When the battery workpiece 6 is driven by the turntable 21 to rotate from the loading station 9 to the extrusion station 8, the bottom matching gear 504 is meshed and connected with the first rack 17, so that when the bottom matching gear 504 rolls along the first rack 17, the bottom matching gear 504 is used to drive the worm 502 to rotate, and then the worm 502 drives the worm wheel 503 to rotate, and the worm wheel 503 drives the driving The screw 505 rotates, and the driving screw 505 drives the connecting seat 403 to move inward along the moving guide rail 401 to clamp the battery workpiece 6, thereby completing the fixation of the battery workpiece 6. In the process of the battery workpiece 6 rotating from the extrusion station 8 to the unloading station 14, the top matching gear 501 will enter into a meshing state with the second rack 16. At this time, the top matching gear 501 will drive the worm 502 to rotate in the opposite direction, and at the same time, the worm 502 drives the worm wheel 503 to rotate in the opposite direction, and the worm wheel 503 drives the driving screw 505 to rotate in the opposite direction, so that the driving screw 505 rotating in the opposite direction drives the connecting seat 403 to move outward along the moving guide rail 401, thereby releasing the clamping state of the connecting seat 403 on the battery workpiece 6.In the above-mentioned process of clamping and unclamping the battery workpiece 6, no operator participation is required, and no additional motor or other damaged parts are required for assistance, so it can greatly save the operator's energy and reduce the difficulty of equipment maintenance;

[0042] Lifting rod 7, see Figure 2 and Figure 3 The lifting push rod 7 is fixed on the unloading station 14, and the output end of the lifting push rod 7 lifts the battery workpiece 6 into the flip unloading device 3 through the lifting rod 22 and unloads the battery workpiece 6 into the external collection device through the flip unloading device 3. The flip unloading device 3 includes a flip motor 307 installed on the frame 1, and the output end of the flip motor 307 drives a positioning sleeve 301 corresponding to the top of the battery workpiece 6. A guide slide 304 is fixedly installed on the positioning sleeve 301, and a support slider for supporting the battery workpiece 6 is slidably installed on the guide slide 304. 305, the support slider 305 is connected to the positioning sleeve 301 through an extrusion spring 303, and the bottom of the support slider 305 is provided with a docking slope 306 for facilitating the battery workpiece 6 to push the support slider 305 to the side, and a second pressure sensor 302 for detecting whether the battery workpiece 6 is in place is fixedly installed on the support slider 305, and the second pressure sensor 302 is electrically connected to the controller 18. When the battery workpiece 6 moves to the unloading station 14, the lifting push rod 7 will drive the lifting rod 22 to lift the battery workpiece 6 upwards. At this time, the top of the battery workpiece 6 The lifting rod 22 will enter the positioning sleeve 301 and contact the docking slope 306, so that the docking slope 306 converts the upward movement force of the battery workpiece 6 into a lateral force that pushes the support slider 305 to move outward, so that the battery workpiece 6 can smoothly push the support slider 305 and continue to move upward. Since the diameter of the lifting rod 22 is smaller than that of the battery workpiece 6, when the bottom of the battery workpiece 6 moves to the top of the support slider 305, the support slider 305 is no longer subject to the lateral thrust provided by the battery workpiece 6, so the support slider 305 will squeeze the spring 303 The battery workpiece 6 is pushed to the bottom of the battery workpiece 6 under the pressure, and the bottom of the battery workpiece 6 is supported to prevent the battery workpiece 6 from falling. Then the lifting rod 22 retracts to the non-working position, and the weight of the battery workpiece 6 is all pressed on the supporting slider 305. At this time, the second pressure sensor 302 detects the pressure change and transmits the operation signal to the controller 18. Then the controller 18 controls the flipping motor 307 to flip, and the flipping motor 307 drives the positioning sleeve 301 to drive the battery workpiece 6 to flip outward, so as to flip the battery workpiece 6 into the external collection device to complete the unloading and collection;

[0043] Controller 18, see Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6, the controller 18 is fixedly mounted on the frame 1, and the controller 18 is electrically connected to the extrusion push rod 24, the station adjustment motor 20 and the jacking push rod 7 respectively, and the bottom of the extrusion plate 23 is fixedly mounted with a first pressure sensor 15 for detecting the extrusion force between the extrusion plate 23 and the battery workpiece 6, and the first pressure sensor 15 is electrically connected to the controller 18. The change in pressure when the extrusion plate 23 is extruded by the first pressure sensor 15 can more accurately extrude and seal the battery workpiece 6, thereby avoiding accidents caused by insufficient or excessive pressure;

[0044] The sealing device provided by the present invention can divide the three processes of loading, extrusion sealing and unloading into three different workstations, and enables the operator to only complete the loading operation of the battery workpiece 6 during the work process, without the need to clamp, loosen and unload the workpiece, thereby greatly reducing the operating difficulty of the operator, and enables the staff to stay away from various dangerous equipment in the extrusion operation process and the unloading process, thereby ensuring the operating safety of the staff, and the device can adapt to different types of battery workpieces 6 by simply replacing the internal adjustment sleeve 10 and the extrusion disk 23, with higher adaptability and more convenience, thereby solving the problems of the existing cylindrical lithium battery sealing device that is difficult to operate, poor adaptability, and prone to operating accidents, and can effectively reduce the difficulty of using the equipment and improve the equipment operation reliability and work efficiency.

[0045] For example 2, please refer to Figure 1 , Figure 2 and Fig. 9 On the basis of the first embodiment, a height adjustment device 2 for adjusting the installation height of the flip unloading device 3 is fixedly installed on the frame 1, and the height adjustment device 2 includes an adjusting sleeve 203 fixed on the unloading station 14, and a lifting rod 201 fixedly installed on the bottom of the flip motor 307 is slidably installed in the adjusting sleeve 203, and the lifting rod 201 and the adjusting sleeve 203 are squeezed and fixed by a height adjustment knob 202. The installation height of the flip unloading device 3 is adjusted by the height adjustment device 2, so that the flip unloading device 3 can better adapt to battery workpieces 6 of different heights, avoiding the trouble that the battery workpiece 6 cannot correctly enter the positioning sleeve 301, and further solving the problems of the existing cylindrical lithium battery sealing device being difficult to operate, poor adaptability, and prone to operating accidents, which can effectively reduce the difficulty of using the equipment and improve the equipment operation reliability and work efficiency.

[0046] For example 3, please refer to Figure 7 and Figure 8On the basis of the second embodiment, the push rod 506 is connected to the connecting seat 403 through the spacing adjustment screw 13, the spacing adjustment screw 13 is rotatably installed with the connecting seat 403, and the push rod 506 is connected to the spacing adjustment screw 13 through a threaded connection, and the connecting seat 403 is fixedly installed with a guide slide 12, and the push rod 506 is slidably installed on the guide slide 12 through a non-circular cross-section through hole. Since the lengths of the first rack 17 and the second rack 16 are fixed, the opening and closing distance of the connecting seat 403 is fixed during operation. Although it can be changed by replacing different internal adjustment sleeves 10 The gap between the battery workpiece 6 installed in the connecting seat 403 is adjusted, but considering that the connecting seat 403 and the internal adjustment sleeve 10 will be worn during use, further adjustment through the spacing adjustment screw 13 can avoid the problem of loose clamping of the battery workpiece 6 caused by the gap between the connecting seat 403 and the internal adjustment sleeve 10 due to wear, thereby ensuring the normal operation of the equipment, further solving the problems of the existing cylindrical lithium battery sealing device that is difficult to operate, poor adaptability, and prone to operating accidents, and can effectively reduce the difficulty of using the equipment and improve the equipment operation reliability and work efficiency.

[0047] Embodiment 4, based on embodiment 3, the present invention further provides a method for using a cylindrical lithium battery high-adaptability sealing device, comprising the following steps:

[0048] Step 1: The operator first installs the corresponding type of internal adjustment sleeve 10 and extrusion disc 23 on the sealing device according to the size model of the battery workpiece 6 to be processed, and then the operator pneumatically operates the program through the controller 18. Then, the operator places the battery workpiece 6 in the internal adjustment sleeve 10 located above the loading station 9 within the specified waiting time. After the specified waiting time is over, the controller 18 drives the turntable 21 to rotate through the station adjustment motor 20, so as to rotate the clamping actuator 4 originally corresponding to the loading station 9 to correspond to the extrusion station 8. Then, the controller 18 enters the specified waiting time again, and the operator continues to repeat placing the battery workpiece 6 in the internal adjustment sleeve 10 located above the loading station 9 within the specified waiting time;

[0049] Step 2: When the battery workpiece 6 is fed from the loading station 9 to the extrusion station 8, it will be clamped by the clamping actuator 4 under the drive of the clamping drive device 5, and then squeezed and sealed by the extrusion disk 23 driven by the extrusion push rod 24 on the extrusion station 8. After the sealing is completed, the extrusion disk 23 returns to the non-working position. Then, when the specified waiting time ends, the sealed battery workpiece 6 will be driven by the turntable 21 from the top of the extrusion station 8 to the unloading station 14;

[0050] Step three: During the time when the battery workpiece 6 is transferred from the extrusion station 8 to the unloading station 14, the clamping drive device 5 will drive the clamping actuator 4 to release the clamping of the battery workpiece 6. After the battery workpiece 6 is sent to the unloading station 14, within the specified waiting time, the lifting push rod 7 will drive the lifting rod 22 to push the battery workpiece 6 upward to the flipping unloading device 3, and then the battery workpiece 6 will be sent to the external collection device through the flipping unloading device 3.

[0051] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A highly adaptable sealing device for cylindrical lithium batteries, characterized in that: include: A frame (1), wherein an extrusion station (8), a discharge station (14) and a loading station (9) are equidistantly arranged in a circular array on the frame (1), and a circular guide rail (19) is fixedly installed on the top of the frame (1), an extrusion push rod (24) is fixedly installed on the extrusion station (8), and an extrusion plate (23) for sealing a battery workpiece (6) is fixedly installed at the output end of the extrusion push rod (24); A turntable (21), the turntable (21) is rotatably mounted on the annular guide rail (19), and a station adjustment motor (20) for driving the turntable (21) to rotate is fixedly mounted on the frame (1), the turntable (21) is fixedly mounted with clamping actuators (4) at positions corresponding to the extrusion station (8), the unloading station (14) and the loading station (9), and the clamping actuator (4) clamps the battery workpiece (6) through an internal adjustment sleeve (10), and the clamping actuator (4) adjusts the clamping force on the battery workpiece (6) through the driving of the clamping drive device (5); A lifting push rod (7), wherein the lifting push rod (7) is fixed on the unloading station (14), and the output end of the lifting push rod (7) lifts the battery workpiece (6) into the overturning unloading device (3) through the lifting rod (22) and unloads the battery workpiece (6) into an external collection device through the overturning unloading device (3); A controller (18), wherein the controller (18) is fixedly mounted on the frame (1), and the controller (18) is electrically connected to the extrusion push rod (24), the station adjustment motor (20) and the lifting push rod (7) respectively.

2. A cylindrical lithium battery high adaptability sealing device according to claim 1, characterized in that: The overturning unloading device (3) comprises an overturning motor (307) mounted on the frame (1); the output end of the overturning motor (307) drives a positioning sleeve (301) corresponding to the top of the battery workpiece (6); a guide slide bar (304) is fixedly mounted on the positioning sleeve (301); and a support slide bar (305) for supporting the battery workpiece (6) is slidably mounted on the guide slide bar (304); the support slide bar (305) and the positioning sleeve (301) are connected via a compression spring (303); and a docking inclined surface (306) is provided at the bottom of the support slide bar (305) for facilitating the battery workpiece (6) to push the support slide bar (305) to the side; a second pressure sensor (302) for detecting whether the battery workpiece (6) is in place is fixedly mounted on the support slide bar (305); and the second pressure sensor (302) is electrically connected to the controller (18).

3. A cylindrical lithium battery high adaptability sealing device according to claim 2, characterized in that: A height adjustment device (2) for adjusting the installation height of the flipping unloading device (3) is fixedly installed on the frame (1), and the height adjustment device (2) comprises an adjustment sleeve (203) fixed on the unloading station (14), a lifting rod (201) fixedly installed on the bottom of the flipping motor (307) is slidably installed in the adjustment sleeve (203), and the lifting rod (201) and the adjustment sleeve (203) are squeezed and fixed by a height adjustment knob (202).

4. A cylindrical lithium battery high adaptability sealing device according to claim 1, characterized in that: A first pressure sensor (15) for detecting the squeezing force between the squeezing plate (23) and the battery workpiece (6) is fixedly mounted on the bottom of the squeezing plate (23), and the first pressure sensor (15) is electrically connected to the controller (18).

5. A cylindrical lithium battery high adaptability sealing device according to claim 1, characterized in that: The clamping actuator (4) comprises a connecting seat (403) fixedly mounted on the rotating disk (21), a moving guide rail (401) fixedly mounted on the connecting seat (403), and a pair of clamping blocks (402) for clamping and fixing the battery workpiece (6) slidably mounted on the moving guide rail (401).

6. A cylindrical lithium battery high adaptability sealing device according to claim 5, characterized in that: A connecting screw (11) is fixedly mounted on the internal adjustment sleeve (10), and the connecting screw (11) is fixedly mounted via a nut and a clamping block (402).

7. A cylindrical lithium battery high adaptability sealing device according to claim 5, characterized in that: The clamping drive device (5) comprises a worm (502) and a driving screw (505) rotatably mounted on the connecting seat (403), and a worm wheel (503) meshing with the worm (502) is fixedly mounted on the driving screw (505), a top mating gear (501) and a bottom mating gear (504) are fixedly mounted on the upper and lower ends of the worm (502), respectively, and the driving screw (505) drives the clamping block (402) to move along the moving guide rail (401) via a pushing rod (506) threadedly connected to the driving screw (505), a second rack (16) meshing with the top mating gear (501) and used to drive the driving screw (505) to move is fixedly mounted on the frame (1), and a first rack (17) meshing with the bottom mating gear (504) and used to drive the driving screw (505) to move is fixedly mounted on the frame (1).

8. A cylindrical lithium battery high adaptability sealing device according to claim 7, characterized in that: The push rod (506) is connected to the connecting seat (403) via a spacing adjustment screw (13); the spacing adjustment screw (13) and the connecting seat (403) are rotatably mounted, and the push rod (506) and the spacing adjustment screw (13) are connected via threads.

9. A cylindrical lithium battery high adaptability sealing device according to claim 8, characterized in that: The connecting seat (403) is fixedly mounted with a guide slide bar (12), and the push rod (506) is slidably mounted on the guide slide bar (12) through a non-circular cross-section through hole.

10. A method for using a cylindrical lithium battery high-adaptability sealing device as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: The operator first installs the corresponding model of the internal adjustment sleeve (10) and the extrusion disc (23) on the sealing device according to the size model of the battery workpiece (6) to be processed, and then the operator pneumatically operates the program through the controller (18). Then, the operator places the battery workpiece (6) in the internal adjustment sleeve (10) located above the loading station (9) within a specified waiting time. After the specified waiting time is over, the controller (18) drives the turntable (21) to rotate through the station adjustment motor (20), thereby rotating the clamping actuator (4) originally corresponding to the loading station (9) to correspond to the extrusion station (8). Then, the controller (18) enters the specified waiting time again, and the operator continues to repeat the process of placing the battery workpiece (6) in the internal adjustment sleeve (10) located above the loading station (9) within the specified waiting time. Step 2: When the battery workpiece (6) is fed from the loading station (9) to the extrusion station (8), it is clamped by the clamping actuator (4) under the drive of the clamping drive device (5), and then squeezed and sealed by the extrusion disk (23) driven by the extrusion push rod (24) at the extrusion station (8). After the sealing is completed, the extrusion disk (23) returns to the non-working position. Then, when the specified waiting time ends, the sealed battery workpiece (6) is driven by the turntable (21) from the top of the extrusion station (8) to the unloading station (14); Step 3: During the time when the battery workpiece (6) is being transferred from the extrusion station (8) to the unloading station (14), the clamping drive device (5) will drive the clamping actuator (4) to release the clamping of the battery workpiece (6). After the battery workpiece (6) is sent to the unloading station (14), within the specified waiting time, the lifting push rod (7) will drive the lifting rod (22) to push the battery workpiece (6) upward to the flip unloading device (3), and then the battery workpiece (6) will be sent to the external collection device through the flip unloading device (3).

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